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\bibitem{Rihs-Middel_etal1995} Rihs-Middel, M., Clerc, J. - M., \& Stamm, R. (1995). \textit{La prescription de stup{\'e}fiants sous contr{\^o}le m{\'e}dical : recueil d{\textquoteright}{\'e}tudes et d{\textquoteright}exp{\'e}riences}  (M. Rihs-Middel, J. - M. Clerc, R. Stamm, A. Uchtenhagen, A. Dobler-Mikola, \& F. Gutzwiller, Eds.). Gen{\`e}ve; Berne: Editions M{\'e}decine et Hygi{\`e}ne; Office f{\'e}d{\'e}ral de la sant{\'e} publique (OFSP).

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